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NGTS clusters survey -- II. White-light flares from the youngest stars in Orion

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posted on 2020-07-21, 11:21 authored by James AG Jackman, Peter J Wheatley, Jack S Acton, David R Anderson, Claudia Belardi, Matthew R Burleigh, Sarah L Casewell, Philipp Eigmüller, Samuel Gill, Edward Gillen, Michael R Goad, Andrew Grange, Simon T Hodgkin, James S Jenkins, James McCormac, Maximiliano Moyano, Didier Queloz, Liam Raynard, Rosanna H Tilbrook, Christopher A Watson, Richard G West
We present the detection of high energy white-light flares from pre-main sequence stars associated with the Orion complex, observed as part of the Next Generation Transit Survey (NGTS). With energies up to 5.2 × 1035 erg these flares are some of the most energetic white-light flare events seen to date. We have used the NGTS observations of flaring and non-flaring stars to measure the average flare occurrence rate for 4 Myr M0-M3 stars. We have also combined our results with those from previous studies to predict average rates for flares above 1 × 1035 ergs for early M stars in nearby young associations.

History

Citation

Monthly Notices of the Royal Astronomical Society, staa1971, https://doi.org/10.1093/mnras/staa1971

Author affiliation

Department of Physics and Astronomy

Version

  • AM (Accepted Manuscript)

Published in

Monthly Notices of the Royal Astronomical Society

Publisher

Oxford University Press (OUP) for Royal Astronomical Society

eissn

1365-2966

Copyright date

2020

Available date

2020-07-07

Language

en

Publisher version

https://academic.oup.com/mnras/article-abstract/doi/10.1093/mnras/staa1971/5868272?redirectedFrom=fulltext

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